Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 4, NWS Quad Cities, IA

June 16, 1986Lafayette County, Wisconsin

NWS Quad Cities, IA issued this severe thunderstorm warning at Jun 16, 1986, 3:29 AM CDT for Lafayette County, Wisconsin. It was in force for 31 min.

The area

The counties it named.

The facts

Issued
Jun 16, 1986, 3:29 AM CDT (08:29 UTC)
Expired
Jun 16, 1986, 4:00 AM CDT
In force
31 min
Issued by
NWS Quad Cities, IA
Area
Whole counties

County Lafayette County, WI

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Peoria Regional, IL (KPIA), launched 00:00Z, 8.5 hours before the alert went out and 226 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Peoria Regional, IL at 00:00Z on 1986-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1590 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peoria Regional, IL at 00:00Z on 1986-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1590 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
779 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
112 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMSN 160829
SVRMSN
WIC065-160900-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MADISON WI
329 AM CDT MON JUN 16 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 400 AM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTY OF

SOUTHWEST WISCONSIN...SOUTHWEST LA FAYETTE

AT 318 AM CDT A SEVERE THUNDERSTORM WAS NOTED BY RADAR 5 MILES
SOUTHEAST OF PLATTEVILLE WISCONSIN MOVING TO THE SOUTHEAST AT ABOUT
30 MILES AN HOUR.  THIS STORM IS ABOUT 30 MILES NORTHEAST OF DUBUQUE
IOWA.
 PLACE AN X BY THE CANNED STATEMENT YOU WANT TO APPEAR AT THE END.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...LARGE HAIL...AND
DEADLY LIGHTNIN[G. TORNADOES CAN ALSO DEVELOP FROM SEVERE
THUNDERSTORMS. IF THREATENING WEATHER APPROACHES TAKE SHELTER
IMMEDIATELY.

 ADDISON

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1986Every severe thunderstorm warning in 1986

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.